NO. 5 CURTIS BRITISH ENTOMOLOGY — BLACKVVELDER 21 



9. 



ANTHRAX ORNATA. 



Order Diptera. Fam. Anthracidae. 



Tt/pe of the Genus, Anthrax hottentotta Linn. 



Anthrax Scop., Fab., Lut., Meig., Curt. — Musca Linn., Geof. 



JntenncE porrected, remote, 4-jointed, basal joint twice as long as the 

 2n(l, cylindric subclavatc, producing long and thick bundles of hair, 

 2nd nearly globose, hairy, 3rd with a few hairs only, very long, the 

 base stout, subconic, the apex forming a long beak, 4th joint minute 

 ovate (3) ; sometimes there is a 5th joint like a short bristle, at others 

 the 3rd joint is terminated by a coronet of short bristles, 

 Trophi either entirely concealed, or projecting a little beyond the 

 head. 



Labrum horny, acute, concavo-convex, inclosing the tongue (I b). 

 Tongue considerably longer than the labrum, corneous, acuminated (c). 

 Mandibles none. 



Maxillce horny, linear, acute, nearly as long as the labrum (e). Palpi 

 received into the cavity of the mouth, attached to the sides of the 

 maxillae near the base, half their length, slender, cylindric and pilose (f ). 

 Mentuni cylindric, hollow above (h), receiving the tongue and labrum. 

 Lip fleshy, oblong, bilobed at the apex, ribbed, extending as far as 

 the tongue (g). 

 Head globose. Eyes alike in both sexes, reniform, covering nearly the whole 

 head, approximating behind (2). Ocelli elevated, placed in a compact tri- 

 angle at the back of the head. Thorax large orbicular-quadrate. Scu- 

 teilum broad and subtrigonate. Abdomen oblong, truncated, composed of 

 7 joints, terminal one small and. triangular. Wings expanded ivhen at rest, 

 long and lanceolate, with numerous nervures, the costa dilated at the base 

 and generally bristly. Halteressynall and capitate, often concealed.- Legs 

 slender, simple, posterior the longest. Tarsi attenuated to the apex, 5-jointed, 

 basal joint the longest, terminated by 2 bent claws. Pulvilli minute (8i 

 hind leg). 



Ornata Hof.P— Curtis s Guide, Gen. 1 193. 4. 



In the Cabinets of Mr. Dale, the Author, $;c. 



Meigen having very judiciously separated^. Belzehul from Anthrax, 

 and given it the generic name of Stygia (since superseded by Lo- 

 viatia), the family now contains four genera, two of which are Bri- 

 tish. It is probable that the sombre aspect of some of the exotic 

 species may have induced authors to apply the name of Anthrax to 

 this genus ; and the association being carried further, has led to the 



1 



Fig. 13. — Facsimile of page from second edition. 



